“Dessicated corpses, terror in the canal and a visit to the sinister House of Calvierri – the Doctor takes Amy and Rory for a romantic mini-break, as the Tardis touches down once again. But 17th-century Venice is not as it should be. The city has been sealed to protect it from the Plague, although Rosanna Calvierri may have other plans…”

Written by Toby Whitehouse and guest starring Helen McCrory (Harry Potter), the episode airs at 6pm on Saturday 8th May.